20161288 is an even 8-digits composite number following 20161287
and preceding 20161289 . In scientific notation, it is written as 2.0161288 × 10^7.
The sum of its digits is 28. It has a total of 5 prime factors and 16 positive divisors.
There are 8640528 positive integers (up to 20161288) that are relatively prime to 20161288.
20161288 has 16 divisors, whose sum is 43202880
The reverse of 20161288 is 88216102
Previous prime number is 7
Is Prime? no
Number parity even
Number length 8
Sum of Digits 28
Digital Root 1
Name
twenty million one hundred sixty-one thousand two hundred eighty-eight
Scientific notation
2.0161288 × 10^7
Engineering notation
2.0161288 × 10^6
Prime Factorization
2 × 2 × 2 × 7 × 360023
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
5040322
Product of the distinct prime numbers
The prime factorization of 20161288 is 2 × 2 × 2 × 7 × 360023.
Since it has a total of 5 prime factors.
9 , 9 , 27 , 1 , 512 , 294 , 7644 , 4559 , 52288 , 98827 , 903812 , 887363 , 2001698 , 4984399 , 70990874 , 77760323 , 78908848 , 706431378 , 7856486541 , 916982096
n×2
40322576
n×3
60483864
n×4
80645152
n×5
100806440
n÷2
10080644
n÷3
6720429.3333333
n÷3
5040322
n÷5
4032257.6
n2
406477533818944
n3
8.1951106248535E+21
n4
1.6522398549953E+29
n5
3.3311283561639E+36
2 √n
4490.1322920377
3 √n
272.16948059317
4 √n
67.0084494078
5 √n
28.900386756396
1 , 2 , 4 , 7 , 8 , 14 , 28 , 56 , 360023 , 720046 , 1440092 , 2520161 , 2880184 , 5040322 , 10080644 , 20161288
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20161287
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
1
Returns the nth root of the product of n divisors
H
Harmonic Mean
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20161288 can be divided by 16 positive divisors.
The sum of these divisors (counting 20161288) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001100111010001100001000
3
Ternary
1101221022002101
4
Quaternary
1030322030020
5
Quinary
20130130123
6
Senary
2000043144
8
Octal
114721410
10
Decimal
20161288
12
Duodecimal
69034b4
16
Hexadecimal
133a308
20
Vigesimal
660348
36
Base36
c04js
md5
52e177390761e4899ace0ee75bc02ec9
sha1
07ecd0e79ea9c723306254946cdae9c13c5899e5
sha256
38e79a431a092f8caa2a80fd3adb88089945e5f620caaad08baec0344224de9e
sha512
0182829328d7f6889bb67e89401a0b2ca81fe29f8aa9ced65eb67478ee73c2abc24987e02416deea219fa996a1145f005931e957d3a41d46313b78eca7ccc73f
ripemd-160
acc5d2af9e9033aec2d61eeb8241301ef8d6ba8f
Diameter
40322576
Circumference
126677108.53542
Area
1.2769868340949E+15
Volume
3.4327599112527E+22
Surface area
5.1079473363796E+15
Circumference
126677108.53542
Perimeter
80645152
Area
406477533818944
Diagonal
28512366.92451
Surface area
2438865202913664
Volume
8.1951106248535E+21
Space diagonal
34920375.162029
Perimeter
60483864
Area
1.7600993517743E+14
Altitude
17460187.581014
Surface area
1.7600993517743E+14
Volume
9.6580304923464E+20
Height
9504122.30817